Home / 1,108,542.24-1,528,768.08-726,430.24

Finding the Fourth Proportional to 1,108,542.24, 1,528,768.08 and 726,430.24

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Solution

The fourth proportional to 1,108,542.24, 1,528,768.08 and 726,430.24 is: 1,001,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,542.24 : 1,528,768.08 = 726,430.24 : x
  2. Step 2: Convert to fraction form
    1,108,542.24/1,528,768.08 = 726,430.24/x
  3. Step 3: Cross multiply
    1,108,542.24x = 1,528,768.08 × 726,430.24
  4. Step 4: Simplify right side
    1,108,542.24x = 1,110,543,363,258.74
  5. Step 5: Solve for x
    x = 1,110,543,363,258.74/1,108,542.24
  6. Step 6: Final answer
    x = 1,001,805.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.